#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <vector>
#include <set>
using namespace std;

int Test1()
{
	vector<int> v1 = { 1,2,3,4,5,6,2,2,2 };
	set<int> s1;
	s1.insert(v1.begin(), v1.end());
	
	for (auto it = s1.begin(); it != s1.end(); it++)
	{
		cout << *it << " ";
	}

	return 0;
}
#include <stack>
int main()
{
	//string str;
	//cin >> str;
	//stack<char> s1;

	//for (auto c : str)
	//{
	//	s1.push(c);
	//}

	
}